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Estimating the Optimal Inflation Target from Trends in Relative Prices

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  • Klaus Adam
  • Henning Weber

Abstract

We derive closed-form expressions for the optimal inflation target under Calvo and menu-cost frictions in a model featuring a product life cycle and multiple sources of heterogeneity across goods. We show that both frictions deliver the same optimal target and how it can be estimated from observed trends in relative prices. Using micro price data underlying the CPI in the United Kingdom, we document that relative prices fall over the product lifetime in most expenditure items. This causes the optimal inflation target to be positive, with our baseline estimate for the United Kingdom being equal to 2.6 percent in 2016. The optimal target has steadily increased over the prior two decades due to an acceleration in the rates of relative price decline over time.

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  • Klaus Adam & Henning Weber, 2023. "Estimating the Optimal Inflation Target from Trends in Relative Prices," American Economic Journal: Macroeconomics, American Economic Association, vol. 15(3), pages 1-42, July.
    • Handle: RePEc:aea:aejmac:v:15:y:2023:i:3:p:1-42
    DOI: 10.1257/mac.20200320
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    Cited by:

    1. Adam, Klaus & Gautier, Erwan & Santoro, Sergio & Weber, Henning, 2022. "The case for a positive euro area inflation target: Evidence from france, germany and italy," Journal of Monetary Economics, Elsevier, vol. 132(C), pages 140-153.
    2. Ambrocio, Gene & Ferrero, Andrea & Jokivuolle, Esa & Ristolainen, Kim, 2022. "What Should the Inflation Target Be? Views from 600 Economists," CEPR Discussion Papers 17289, C.E.P.R. Discussion Papers.
    3. Wifo, 2023. "WIFO-Monatsberichte, Heft 9/2023," WIFO Monatsberichte (monthly reports), WIFO, vol. 96(9), September.
    4. Santoro, Sergio & Weber, Henning, 2023. "Micro price heterogeneity and optimal inflation," Occasional Paper Series 322, European Central Bank.
    5. Cecion, Martina & Coenen, Günter & Gerke, Rafael & Le Bihan, Hervé & Motto, Roberto & Aguilar, Pablo & Ajevskis, Viktors & Giesen, Sebastian & Albertazzi, Ugo & Gilbert, Niels & Al-Haschimi, Alexander, 2021. "The ECB’s price stability framework: past experience, and current and future challenges," Occasional Paper Series 269, European Central Bank.
    6. repec:zbw:bofrdp:2022_007 is not listed on IDEAS
    7. Klaus Adam & Oliver Pfäuti & Timo Reinelt, 2020. "Falling Natural Rates, Rising Housing Volatility and the Optimal Inflation Target," CRC TR 224 Discussion Paper Series crctr224_2020_235, University of Bonn and University of Mannheim, Germany.
    8. Gabriel Felbermayr & Benjamin Bittschi & Josef Baumgartner, 2023. "Kollektivvertragsverhandlungen in Zeiten hoher Inflation," WIFO Monatsberichte (monthly reports), WIFO, vol. 96(9), pages 613-632, September.
    9. Ferrero, Andrea & Ambrocio, Gene & Jokivuolle, Esa & Ristolainen, Kim, 2022. "What Should the Inflation Target Be? Views from 600 Economists," CEPR Discussion Papers 17289, C.E.P.R. Discussion Papers.
    10. Schoenle, Raphael & L'Huillier, Jean-Paul, 2019. "Raising the Inflation Target: How Much Extra Room Does It Really Give?," CEPR Discussion Papers 14142, C.E.P.R. Discussion Papers.

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    More about this item

    JEL classification:

    • C51 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Construction and Estimation
    • D15 - Microeconomics - - Household Behavior - - - Intertemporal Household Choice; Life Cycle Models and Saving
    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms

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